RE: [PATCH] x86: Disable HPET MSI on ATI SB700/SB800

From: Yuhong Bao
Date: Mon May 17 2010 - 11:10:57 EST

> The suggested workaround for this is to disable HPET MSI if LPC
> devices are used. I doubt that there is a convenient way for Linux to
> find out whether LPC devices are used.And don't forget that the Super I/O chip in most motherboards is an LPC device!(In fact, that was what LPC was invented for)
> Thus I think the only solution
> to safely avoid the problem is the currently implemented quirk to
> disable HPET MSI on this chipset.
Yuhong Bao

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